From 8ea166b3315638d7fa77648c4f118be290065511 Mon Sep 17 00:00:00 2001
From: Harald Csaszar <harald.csaszar@pixelcloudgames.com>
Date: Wed, 29 Sep 2021 21:10:58 +0200
Subject: [PATCH] [unity] Fixed json vs binary file detection.

---
 .../spine-unity/Asset Types/SkeletonDataCompatibility.cs   | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/spine-unity/Assets/Spine/Runtime/spine-unity/Asset Types/SkeletonDataCompatibility.cs b/spine-unity/Assets/Spine/Runtime/spine-unity/Asset Types/SkeletonDataCompatibility.cs
index 02910f609..6404a1357 100644
--- a/spine-unity/Assets/Spine/Runtime/spine-unity/Asset Types/SkeletonDataCompatibility.cs	
+++ b/spine-unity/Assets/Spine/Runtime/spine-unity/Asset Types/SkeletonDataCompatibility.cs	
@@ -173,11 +173,16 @@ namespace Spine.Unity {
 			int i = 0;
 			if (content.Length >= 3 && content[0] == 0xEF && content[1] == 0xBB && content[2] == 0xBF) // skip potential BOM
 				i = 3;
+			bool openingBraceFound = false;
 			for (; i < numCharsToCheck; ++i) {
 				char c = (char)content[i];
 				if (char.IsWhiteSpace(c))
 					continue;
-				return c == '{';
+				if (!openingBraceFound) {
+					if (c == '{') openingBraceFound = true;
+					else return false;
+				} else
+					return c == '"';
 			}
 			return true;
 		}